Drumlin: 'stoss' is the steep end 'lee' side is the gentle slope, basket of eggs topography, found in swarms of streamlined mounds, unsorted material (till) dumped beneath the glacier, obstruction (e.g lage boulder) begins the formation, glacier moves over the top of it smoothing out the lee side, they run parallel to the glacier - moulded by the ice, Esker: made in sub-glacial tunnels, fluvio-glacial deposits, sorted from largest to smallest, as moraine carried by meltwater, snakes across landscape, forms same shape as tunnels beneath glacier, long ridges of sorted material, ice melts, material is deposited in tunnels, Terminal Moraine: marks the furthest extent of the glacier, material bulldozed at front of glacier, forms at the snout of the glacier, unsorted material (till) dumped in front of the glacier, long ridge is left perpendicular (at right angle) to the glacier, outwash plain forms beyond it, made from jagged rock of various sides ,

Drumlin, Esker & Terminal Moraine

Cetakan
Benamkan

Papan mata

Gaya visual

Pilihan

Tukar templat

Pulihkan autosimpan: ?